i know this might sound stupid to some of you , but what size in mm is the fitment on a canon extender?
i want to get a canon extender but don't know if its compatible with my camera or lens...
could someone point me in the right direction?
thanks loooads
http://www.canon.co.uk/For_Home/Prod...350D/index.asp
camera
http://www.canon.co.uk/For_Home/Prod...PageID=26341#1
lens
http://www.canon.co.uk/For_Home/Prod...PageID=26432#1
extender..